Convert to:
42 4 168
---- x ---- = ------
1 7 7
Answer:
all of these
Step-by-step explanation:
Step-by-step explanation:
where is the screenshot?
Answer:
(y - x)/(y + x)
Step-by-step explanation:
(1/x - 1/y)/(1/x + 1/y) =
= (1/x - 1/y)/(1/x + 1/y) × (xy)/(xy)
= (y - x)/(y + x)